AMOVAN Smart Ring for Women Men, Tungsten Steel Fitness Tracker Ring with Sleep Monitoring, Heart Rate, Step Counting, IP68 Waterproof for iPhone and Android, No Subscription Fee (Black-Gold,#9) — Open-Box

【Multi-dimensional SleepTracking】Sleep tracking ring provides multi-dimensional and accurate sleep tracking and monitors your sleep quality through detailed charts and data. Smart ring track your sleep from multiple dimensions including sleep monitoring, sleep blood oxygen, sleep temperature difference, sleep activity status, average sleep heart rate and heart rate variability, so that you can optimize your lifestyle and improve your overall sleep quality

【Advanced Chip & Dual Sensors】Smart ring is equipped with a Bluetooth 5.1 Goodix GR5515GGBD low-power SoC, an ST LIS2DW12 tri-axis accelerometer, and an HX3695 optical heart rate sensor, enabling high-speed connectivity, precise monitoring, intelligent recognition, wear detection, and privacy protection. Fitness rings for men automatically measures your heart rate and HRV every 30 minutes while worn, providing 24/7 continuous health tracking and comprehensive health management

【24 Sports Modes & Free subscription】Fitness tracking ring accurately monitors and tracks exercise data, such as calories burned, steps taken, distance traveled, and time. Fitness rings for women offers 24 exercise modes and can automatically record walks and runs (Exercise durations of at least 10 minutes). You can easily access all your health data on the AMOVAN Ring app, and no subscription is required to enjoy all features

【5ATM Waterproof & Tungsten Steel】Health monitoring ring is made of tungsten steel and epoxy resin, making it comfortable, lightweight, and durable. Health rings for men also boasts a 5AMT waterproof rating, withstanding hydrostatic pressure at a depth of 50 meters. Whether washing hands, showering, or swimming in shallow water, you don't need to remove the smart health ring, and there's no need to worry about damage

【Long Battery Life】Smart ring's built-in 20.5mAh lithium-ion polymer battery provides 10-15 days of standby time and 4-6 days of active use. Vital health ring comes with a Type-C wireless charging case and a spare charging cable, allowing for charging in just 1-1.5 hours, eliminating battery worries

【Warm Tips】Before purchasing AMOVAN smart ring, we recommend that you measure your finger size or purchase AMOVAN ring measuring kit to avoid buying an inappropriate size

AMOVAN's New Generation Smart Ring: R08 Tungsten Steel Multi-Dimensional Sleep Tracking Ring